ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] PREVIOUS reports1'2 of maser action in gallium arsenide junction diodes have indicated that at 77 K there is no sign of stimulated emission at current densities less than 8,500 amp/cm2. We have made diodes which show signs of coherent emission at much lower current densities. The diodes were ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/198368a0